<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<select>
    <option>小班</option>
    <option>中班</option>
    <option>大班3</option>
    <option>大班4</option>
    <option>大班5</option>
    <option>大班6</option>
    <option>大班7</option>
</select>
<input type="submit" value="提交">
</body>
</html>